1、ABS and PU material is safe, eco-friendly and durable 2、Optical lens with high definition can magnify every detail of jewelries, stamps, coins or others for better appraisal 3、30x magnified view is for viewing tiny characters, like fingerprints, 60x magnified view for printing grids or electronic component numbers and 90x magnified view for viewing flaws of jewelry 4、3 different light sources are for different purposes 5、Perfect for jewelries, stamps and cash appraisal, etc Features: ABS and PU material is safe, eco-friendly and durable. Optical lens with high definition can magnify every detail of jewelries, stamps, coins or others for better appraisal. 30x magnified view is for viewing tiny characters, like fingerprints, 60x magnified view for printing grids or electronic component numbers and 90x magnified view for viewing flaws of jewelry. 3 different light sources are for different purposes. Perfect for jewelries, stamps and cash appraisal, etc. Specifications: Material: ABS + PU + Acrylic Optical Lens Magnification: 30x, 60x, 90x Power Supply: 3 * LR44 Button Batteries (Built-In) Lens Diameter: 25mm / 1.0inch, 12mm / 0.5inch, 8mm / 0.3inch Folded Size: 8.5 * 4.5 * 1.8cm / 3.3 * 1.8 * 0.7inch Unfolded Size: 13.3 * 4.6 * 1.8cm / 5.2 * 1.8 * 0.7inch Weight: 55g Type: Magnifier Function: Helping Jewelries, Stamps and Coins Appraisal, etc. Package Includes: 1 x Magnifier